An Automatic Method for Scoring Leg Movements in Polygraphic Sleep Recordings and Its Validity in Comparison to Visual Scoring Thomas C. Wetter, Gerhard Dirlich, Jonathan Streit, Claudia Trenkwalder, Andreas Schuld, Thomas Pollmächer IN SLEEP, 27(2), PP. 324-328, MARCH 2004 https://itestra.com/wp-content/uploads/2018/03/04_itestra_an_automatic_method_for_scoring_leg_movements1.pdf